The Tanite Company's New Milling Machine - p271

doi:10.1038/scientificamerican10311874-271

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A Panic at the Patent Office - p272

doi:10.1038/scientificamerican10311874-272

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Economy in Eating - pp272 - 273

doi:10.1038/scientificamerican10311874-272a

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Demoniacal Possessions - p273

doi:10.1038/scientificamerican10311874-273

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Reports on Small Engines - p273

doi:10.1038/scientificamerican10311874-273a

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Improved Draftsman's Rule - p274

doi:10.1038/scientificamerican10311874-274

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A Siphon for Poisonous Liquids and Acids - p274

doi:10.1038/scientificamerican10311874-274a

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The Fairmount Park Bear Pits - p275

doi:10.1038/scientificamerican10311874-275

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Milk Cooling Can - p275

doi:10.1038/scientificamerican10311874-275a

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Lights for Greenhouses - pp275 - 276

doi:10.1038/scientificamerican10311874-275b

Spiders' Webs and Spinnerets - p276

doi:10.1038/scientificamerican10311874-276

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Some New Galvanic Batteries - p277

doi:10.1038/scientificamerican10311874-277

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Improved Self-Locking Padlock - p278

doi:10.1038/scientificamerican10311874-278

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Improved Disintegrator - p278

doi:10.1038/scientificamerican10311874-278a

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The English Channel Steamers - p279

doi:10.1038/scientificamerican10311874-279

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The Early History of Wheeled Vehicles and Railways - pp279 - 280

doi:10.1038/scientificamerican10311874-279a

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Decisions of the Courts - p280

doi:10.1038/scientificamerican10311874-280

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Recent American and foreign Patents - p281

doi:10.1038/scientificamerican10311874-281

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Answers to Correspondents - pp282 - 283

doi:10.1038/scientificamerican10311874-282a

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Communications Received - p284

doi:10.1038/scientificamerican10311874-284

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Canadian Patents - p284

doi:10.1038/scientificamerican10311874-284b

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